Home / 811,206.54-1,119,436.83-467,031.06

Finding the Fourth Proportional to 811,206.54, 1,119,436.83 and 467,031.06

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Solution

The fourth proportional to 811,206.54, 1,119,436.83 and 467,031.06 is: 644,486.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,206.54 : 1,119,436.83 = 467,031.06 : x
  2. Step 2: Convert to fraction form
    811,206.54/1,119,436.83 = 467,031.06/x
  3. Step 3: Cross multiply
    811,206.54x = 1,119,436.83 × 467,031.06
  4. Step 4: Simplify right side
    811,206.54x = 522,811,769,317.94
  5. Step 5: Solve for x
    x = 522,811,769,317.94/811,206.54
  6. Step 6: Final answer
    x = 644,486.63

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.